Sign & Digital Graphics

May '17

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S I G N & D I G I T A L G R A P H I C S • May 2017 • 51 printed artwork is viewed through the substrate itself. This is something that had been seen in advertising and P.O.P. applications, but it is now becoming more common in consumer photo and home décor applications." He adds that personal photographs and artwork, POP displays and interior décor are all very popular right now. "With the Mimaki Kebab MkII option for the UJF MkII Series and UJF- 7151 plus printers, users can also print directly onto cylindrical glass objects such as wine bottles, beverage glasses, and vases," Hope says. Techniques for Printing onto Glass Joe Garcia, managing director at StratoJet U S A , Santa Fe Springs, California, says there are some specific techniques used for printing successfully onto glass with a UV-curing printer that need to be followed. "Printing on glass is one of the most visually stunning media," Garcia says. "When you print on the reverse side, the printed image bonded in glass gives a more luxurious look." Garcia continues, "To achieve this for a reverse print, choose the desired effect using white ink. Then, choose spot white for a combination of translucent view-thru application, such as an office divider or choose to overcoat with white for a museum display. For an even more stunning look on a thicker glass, you can print CMYK, then overcoat white turn the glass around and complement the print with a small detail. This will give a 3D look to the final print," he points out. Garcia adds that it is possible to print UV successfully onto glass without coat- ing the glass first. "Customers can print on one side only and the ink will adhere, however, because glass is expensive and it is difficult to handle; customers want the maximum possible adhesion and scratch resistance, hence nearly always an ink adhesion promoter is applied before the print." Good Combination Between Ink and Substrate Hope adds that second-surface print- ing onto glass with UV-cure inks is actu- ally a very easy process. The key is to ensure that the ink and substrate com- bination provide adequate adhesion and durability. He adds that it also possible to print UV successfully onto glass without first coating the glass. "Some printers such as the Mimaki JFX and the UJF Series printers can jet primer in the same way that it jets ink," Hope says. "In many cases this enables users to print directly on glass surfaces without the need for pre-treatment." Printing on glass is one of the most visually stunning media. DO YOU WANT TO FIND A RECOGNIZED SOURCE FOR ALL OF YOUR COMPANY'S NEEDS? Visit SDG.NBMGUIDE.COM today to find a manufacturer/distributor near you!

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